*,
:before,
:after {
    padding: 0;
    margin: 0;
    outline: none;
    box-sizing: border-box;
}
body,
input,
textarea,
button {
    font-family: "-apple-system", "SF UI Text", "Arial", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", "sans-serif";
    font-size: 14px;
    color: #333;
    font-style: normal;
}
ul,
li {
    list-style: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
a {
    color: #333;
    text-decoration: none;
    cursor: pointer;
}
a:hover,
a:active {
    text-decoration: underline;
}
img,
input[type="checkbox"],
input[type="radio"],
button {
    border: 0;
}
input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
input[type="tel"],
input[type="number"] {
    padding: 4px 5px;
    line-height: 1;
}
textarea {
    padding: 4px 5px;
    resize: none;
}
button {
    cursor: pointer;
}
.clear {
    clear: both;
}
.clear:after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    clear: both;
    overflow: hidden;
}